Bamboo support for Achilles tendon and ankle sprains Bamboo fibres are used for comfort around the ankle joint as they are non-irritating and don't crease when worn Supports and protects the joint and soft tissue during activity and exercise Unique composition and intricate weaving patterns provide a comfortable but highly effective level of compression Yarn features a cross section filled with micro gaps for breathability and elimination of sweat buildup Bamboo supports improve blood flow by 40% more than ordinary supports. The increased blood flow will dramatically improve recovery and rehabilitation times as well as improve your performance by driving oxygenated blood toward the foot to help ligaments, tendons and joints repair quicker 62% nylon, 23% bamboo, 15% spandex Ideal for support for tendonitis, ankle sprains, plantar fasciitis or arthiritis For accelerating recovery and rehabilitation or for providing pain relief or reducing inflamation Size Guide (ankle circumference): S - 170-195mm M - 195-220mm L - 220-245mm XL - 245-270mm